,-MWCNT和-Fe-MWCNT复合材料的超级电容器性能
Aunggat Shah1, Subhabrata Senapati1, H C Ananda Murthy2,3
1Physics Division, Department of Basic Sciences and Social Sciences, School of Technology, North-Eastern Hill University, Shillong, Meghalaya 793022, India.
这项研究表明,来自回收塑料的高质量碳纳米管 (CNT) 可以提高超级电容器的性能. NiO-Fe-CNT复合材料显示出优异的能量储存和稳定性,突出显示了CNT质量.
科学领域:
- 材料科学 材料科学 材料科学
- 电化学 电化学 电化学
- 纳米技术纳米技术
背景情况:
- 开发成本效益高的储能材料至关重要.
- 碳纳米管 (CNTs) 为超级电容器应用提供了独特的特性.
- CNT的质量显著影响复合材料的性能.
研究的目的:
- 为了研究NiO-CNT和NiO-Fe-CNT复合材料的超容量调整.
- 评估碳纳米管质量对超级电容器性能的影响.
- 探索废弃高密度聚乙烯塑料作为CNT的前体的潜力.
主要方法:
- 从回收塑料中合成NiO-CNT和NiO-Fe-CNT复合材料.
- 使用TEM和拉曼光谱对多壁碳纳米管 (MWCNTs) 的表征.
- 在性和酸性电解质中对超级电容器进行电化学测试.
主要成果:
- 与NiO-Fe-CNT复合材料相比,NiO-Fe-CNT复合材料的特异电容 (1360 Fg−1) 和能量密度 (1180 Wh kg−1) 较高.
- NiO-Fe-CNT复合材料显示了增强的电双层电容器行为 (59%) 和优秀的电容保留 (96%在1000个循环后).
- 在NiO-Fe-CNT复合材料中,具有更高特异面积的更高质量的MWCNT与更好的电化学性能相关.
结论:
- 碳纳米管的质量是优化基于CNT复合材料的超级电容器的关键参数.
- 从废塑料中提取的NiO-Fe-CNT复合材料为高性能储能提供了一个有前途的低成本解决方案.
- 这项研究有助于理解基于CNT的储能材料中的结构性质关系.
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